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TestGardener: A Program for Optimal Scoring and Graphical Analysis
Umeå University, Faculty of Social Sciences, Umeå School of Business and Economics (USBE), Statistics.ORCID iD: 0000-0001-5549-8262
2019 (English)In: Quantitative Psychology: 83rd Annual Meeting of the Psychometric Society, New York, NY 2018 / [ed] Wiberg, M., Culpepper, S., Janssen, R., González, J., & Molenaar, D., New York: Springer, 2019, p. 87-94Chapter in book (Refereed)
Abstract [en]

The aim of this paper is to demonstrate how to use TestGardener to analyze testing data with various item types and explain some main displays. TestGardener is a software designed to aid the development, evaluation, and use of multiple choice examinations, psychological scales, questionnaires, and similar types of data. This software implements the optimal scoring of binary and multi-option items, and uses spline smoothing to obtain item characteristics curves (ICCs) that better fit the real data. Using TestGardner does not require any programming skill or formal statistical knowledge, which will make optimal scoring and item response theory more approachable for test analysts, test developers, researchers, and general public.

Place, publisher, year, edition, pages
New York: Springer, 2019. p. 87-94
Series
Springer Proceedings in Mathematics & Statistics, ISSN 2194-1009, E-ISSN 2194-1017 ; 265
Keywords [en]
item response theory, graphical analysis software, optimal scoring, spline smoothing
National Category
Probability Theory and Statistics
Research subject
Statistics
Identifiers
URN: urn:nbn:se:umu:diva-160263DOI: 10.1007/978-3-030-01310-3ISBN: 978-3-030-01309-7 (print)ISBN: 978-3-030-01310-3 (electronic)OAI: oai:DiVA.org:umu-160263DiVA, id: diva2:1325672
Available from: 2019-06-17 Created: 2019-06-17 Last updated: 2019-06-18Bibliographically approved

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Wiberg, Marie

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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